Tag Archives: counter UAV

Counterdrone Backpacks for Subforce

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An interesting post from Groton-based Submarine Squadron (COMSUBRON12) Twelve last week shows submariners undergoing counter-UAS training on board Submarine Base New London.

The pictures show the backpack Drone Restricted Access Using Known Electromagnetic Warfare (DRAKE) system at play with some small quadcopters.

Marketed by Northrop Grumman since at least 2016, DRAKE is a “radio-frequency negation system that delivers a non-kinetic, selective electronic attack of Group 1 drones,” with that definition applying to UASs weighing less than 20 pounds, flying lower than 1,200 feet, and flying slower than 100 knots.

You know, the kind of drones that have been extensively seen in Ukraine dropping mortar bombs and grenades down the hatch of Russian tanks in the past couple of years.

While the Navy has been shipping DRAKEs out to the surface fleet since at least 2021 it is nice that the bubbleheads are getting some drone zapping kit for those occasional (and very vulnerable) periods when they are transiting on the surface.

This augments the M249 SAWs and laser dazzlers they have been carrying to warn off small boats and combat swimmers.

APRA HARBOR, Guam (July 8, 2021) Sailors aboard the Los Angeles-class fast-attack submarine USS Springfield (SSN 761) depart Naval Base Guam after completing a regularly scheduled evolution with the submarine tender USS Emory S. Land (AS 39). Springfield is capable of supporting various missions, including anti-submarine warfare, anti-surface ship warfare, strike warfare and intelligence, surveillance, and reconnaissance. (U.S. Navy photo by Mass Communication Specialist 1st Class Victoria Kinney)

GROTON, Conn. (Dec. 20, 2019) Sailors assigned to the Virginia-class fast-attack submarine USS Minnesota (SSN 783) stand topside as they pull into their homeport at Naval Submarine Base New London in Groton, Conn., Dec 20, 2019, following a deployment. Minnesota deployed to execute the chief of naval operation’s maritime strategy in supporting national security interests and maritime security operations. (U.S. Navy photo by Mass Communication Specialist 1st Class Steven Hoskins/Released)

Of course, the Belgian Air Force has recently opted for a more kinetic solution to knock down Group 1 drones. 

Splash one drone in the SOH

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Back in my slimmer days, I used to crawl around at Ingalls in Pascagoula as part of the long-running effort to put flesh against steel to produce warships. One of the hulls that I worked on during that period was USS Boxer, to include getting underway on her during builder’s trials. With that being said, LHD-4 carved herself an interesting footnote in the annals of modern asymmetric warfare last week.

The Pentagon reported Friday that she splashed an unidentified Iranian drone (labeled by multiple analysts as a Mohajer-4B Sadegh) in the Strait of Hormuz that came inside the ship’s defense bubble while a WSJ writer onboard reported an Iranian helicopter and small craft came almost as close. 

The ship, with the 11th Marine Expeditionary Unit (MEU) embarked, has had Marines positioned topside with their light vehicles arrayed on her flight deck so they could bear crew-served weapons on low-key targets if needed. It was apparently one of the lightest of these, a Polaris MRZR 4×4, that was used to pop the drone.

A what?

The little brown thing on Boxer’s deck in the below image.

190718-M-EC058-1558 STRAIT OF HORMUZ (July 18, 2019) A UH-1Y Venom helicopter assigned to Marine Medium Tiltrotor Squadron (VMM) 163 (Reinforced), 11th Marine Expeditionary Unit (MEU), takes off from the flight deck of the amphibious assault ship USS Boxer (LHD 4) during a strait transit. The Boxer Amphibious Ready Group and the 11th MEU are deployed to the U.S. 5th Fleet area of operations in support of naval operations to ensure maritime stability and security in the Central Region, connecting the Mediterranean and the Pacific through the western Indian Ocean and three strategic choke points. (U.S. Marine Corps photo by Lance Cpl. Dalton Swanbeck/Released)

Outfitted with a Light Marine Air Defense Integrated System (LMADIS) system, the go-cart-sized vehicle killed the Iranian UAV via aggressive freq interference.

An LMADIS operated by the 22nd MEU on the flight deck of the Wasp-class amphibious assault ship USS Kearsarge (LHD-3) in May. The system was developed specifically to combat the weaponized commercial drone development. It is equipped with state-of-the-art sensors, optics to track and monitor targets at extensive ranges, and capabilities to physically disable a UAS on approach.

1st Lt. Taylor Barefoot, a low altitude air defense officer with Marine Medium Tiltrotor Squadron 163 (Reinforced), 11th Marine Expeditionary Unit, programs a counter-unmanned aircraft system on a Light Marine Air Defense Integrated System (LMADIS) during a pre-deployment training exercise at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Nov. 13, 2018. The LMADIS is a maneuverable, ground-based system, mounted to a Polaris MRZR that can detect, identify and defeat drones with an electronic attack. (U.S. Marine Corps photo by Lance Cpl. Dalton S. Swanbeck)

Of course, the Iranians, in their best Baghdad Bob Act, said they recovered their drone safe and sound and they have the video to prove it. 

The same day, CENTCOM announced the start of Operation Sentinel:

U.S. Central Command is developing a multinational maritime effort, Operation Sentinel, to increase surveillance of and security in key waterways in the Middle East to ensure freedom of navigation in light of recent events in the Arabian Gulf region.

The goal of Operation Sentinel is to promote maritime stability, ensure safe passage, and de-escalate tensions in international waters throughout the Arabian Gulf, Strait of Hormuz, the Bab el-Mandeb Strait (BAM) and the Gulf of Oman.

This maritime security framework will enable nations to provide escort to their flagged vessels while taking advantage of the cooperation of participating nations for coordination and enhanced maritime domain awareness and surveillance.

Meanwhile, off Venezuela

Maduro can’t afford much, but he can still flex some Flankers from time to time apparently.

U.S. Southern Command released a series of short (20 sec) videos of a Venezuelan SU-30 Flanker as it “aggressively shadowed” a U.S. Navy EP-3 Aries II reportedly at an unsafe distance in international airspace over the Caribbean Sea July 19, jeopardizing the crew and aircraft.

“The EP-3 aircraft, flying a mission in approved international airspace, was approached in an unprofessional manner by the SU-30 that took off from an airfield 200 miles east of Caracas.”

And the beat goes on…